CN219865882U - Stamping cricket pin assembly and vehicle provided with same - Google Patents

Abstract

The utility model provides a punch cricket pin assembly and a vehicle provided with the same, and the punch cricket pin assembly comprises a punch-formed sheet metal connecting plate and a ball pin assembly with a ball pin seat and a ball pin; the sheet metal connecting plate is provided with a press-fit hole and a connecting hole, the ball pin seat in the ball pin assembly is press-fitted in the press-fit hole, one end of the ball pin is ball-hinged in the ball pin seat, and the connecting hole is connected with the other end of the ball pin and is used for being connected with an external member. The stamping plate ball pin assembly can be beneficial to the preparation of the ball pin seat body structure in the ball pin assembly, and is beneficial to reducing the weight and the preparation cost of the ball pin assembly.

Description

Stamping cricket pin assembly and vehicle provided with same

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to a punching cricket pin assembly. The utility model also relates to a vehicle provided with the punch cricket pin assembly.

Background

At the moment when the vehicle state changes due to steering, braking, jolting, starting and the like, force or moment transmission, swing, rotation and other relative movements of all components in the chassis suspension of the vehicle occur, for example, relative movements occur between a control arm and a knuckle, between a control arm and a subframe, between the control arm and a connecting rod and the like, so that the connecting positions are designed into spherical hinge structures in order to meet the requirements of the freedom of movement.

In the prior art, a control arm ball pin assembly for connecting a control arm in a suspension is taken as an example, and in the existing control arm ball pin assembly, a ball pin seat body and a part connected with the control arm are generally prepared by adopting a traditional hot forging mode, even a ball pin seat body and the control arm are integrated into a whole, and the ball pin seat body and the control arm are integrally formed by adopting the hot forging mode. The thickness of the ball pin seat body prepared by the conventional hot forging is often larger (usually more than 8 mm) due to the requirement of the hot forging process, so that the ball pin seat body is not beneficial to the preparation of the ball pin seat body structure, the weight of the ball pin seat body and the reduction of the preparation cost.

Disclosure of Invention

In view of the foregoing, the present utility model is directed to a stamped cricket-pin assembly that helps to reduce the weight and manufacturing costs of the ball-pin assembly and to facilitate the manufacture of the ball-pin housing.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a stamping plate ball pin assembly comprises a stamping formed sheet metal connecting plate and a ball pin assembly with a ball pin seat and a ball pin;

the sheet metal connecting plate is provided with a press-fit hole and a connecting hole, the ball pin seat in the ball pin assembly is press-fitted in the press-fit hole, one end of the ball pin is ball-hinged in the ball pin seat, and the connecting hole is connected with the other end of the ball pin and is used for being connected with an external member.

Further, protruding posts protruding to one side of the metal plate connecting plate are formed on the metal plate connecting plate, and the press-fit holes penetrate through the protruding posts.

Further, a plurality of connecting arms which are arranged around the convex columns are arranged on the metal plate connecting plate, and the connecting holes are formed in the connecting arms.

Further, a stop shoulder is formed at one end of the ball pin seat, and when the ball pin seat is pressed in the press mounting hole, the stop shoulder is pressed on a limiting surface on the sheet metal connecting plate.

Further, a bushing and a cover plate are arranged in the ball pin seat, a ball head of the ball pin is positioned in the bushing, the cover plate covers one end of the bushing, and a press-connection edge is formed at one end of the ball pin seat, provided with the cover plate;

in the radial direction of the ball socket, the crimping edge has an outer portion located outside the ball socket and an inner portion located inside the ball socket, the outer portion being crimped to the end of the stud and the inner portion being crimped to the cover plate.

Further, oil storage grooves are formed in the inner wall of the bushing, the oil storage grooves are arranged at intervals along the circumferential direction of the bushing, and one end, away from the cover plate, of each oil storage groove penetrates through the bushing in the radial direction of the bushing.

Further, the ball pin assembly is further provided with a sealing sleeve, the sealing sleeve is sleeved between the ball pin seat and the ball pin, and the sealing sleeve is provided with a large-diameter end and a small-diameter end;

the large-diameter end is fixed on the ball pin seat by a first clamping piece, and the small-diameter end is fixed on the ball pin by a second clamping piece.

Compared with the prior art, the utility model has the following advantages:

according to the stamping plate ball pin assembly, the stamping plate metal connecting plate is adopted, and the ball pin assembly is pressed in the pressing hole in the metal plate connecting plate, so that the ball pin assembly is formed, compared with the existing hot forging preparation mode, the characteristics of simplicity and high efficiency of stamping forming can be utilized, the ball pin seat in the ball pin assembly and the connection part of the ball pin seat and the control arm and the like can be prepared, meanwhile, the characteristic of small thickness of the stamping metal plate can be utilized, the weight and the preparation cost of the ball pin assembly can be reduced, and the ball pin assembly has good practicability.

In addition, the convex columns are formed on the metal plate connecting plates, so that the reliability of connection between the ball pin assembly and the metal plate connecting plates can be ensured. The connecting hole is located on the connecting arm, so that the stamping forming of the connecting hole can be facilitated, and meanwhile, the modeling and the like of the connecting arm can be conveniently adjusted according to the connecting requirement, so that the connection between the sheet metal connecting plate and the external components such as the control arm is facilitated. The ball pin seat is provided with a stop shoulder and is pressed on a limiting surface on the sheet metal connecting plate, so that the assembly precision of the ball pin seat in the press mounting hole can be ensured.

In addition, through the arrangement of the bushing, contact abrasion between the ball pin and the ball pin seat can be reduced, and durability of the ball pin assembly can be improved. The ball pin seat is provided with the inner side and the outer side which are respectively in compression joint with the cover plate and the convex column, so that the stability of the assembly of the cover plate can be ensured, and meanwhile, the ball pin seat can be reliably arranged in the compression mounting hole together with the stop shoulder. The oil storage tank is arranged on the bushing, so that the storage of lubricating grease can be facilitated, one end of the oil storage tank penetrates through the bushing, the stress of the end part of the bushing during the movement of the ball pin can be reduced, and the stability of the bushing structure is ensured. By arranging the sealing sleeve between the ball pin seat and the ball pin, dust, rainwater and the like can be prevented from entering the ball pin seat, and the integral durability of the ball pin assembly can be improved.

Another object of the present utility model is to propose a vehicle in which a punch plate ball pin assembly as described above is provided.

The vehicle and the punch cricket pin assembly have the same beneficial effects and are not repeated here.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a ball and socket assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a cross-sectional view of a ball and socket assembly according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a sheet metal connecting plate according to an embodiment of the utility model;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;

FIG. 6 is a schematic view of a ball pin assembly according to an embodiment of the present utility model;

FIG. 7 is an exploded view of a ball and socket assembly according to an embodiment of the present utility model;

FIG. 8 is a schematic view of an assembled ball socket, bushing and cover plate according to an embodiment of the utility model;

FIG. 9 is a schematic view of a pin boss according to an embodiment of the present utility model;

FIG. 10 is a schematic view of a bushing according to an embodiment of the utility model;

FIG. 11 is a schematic view of a reinforcing rib on a bushing according to an embodiment of the present utility model;

FIG. 12 is a schematic view of a cover plate according to an embodiment of the utility model;

reference numerals illustrate:

1. a sheet metal connecting plate; 2. a ball pin assembly; 3. a bolt;

101. a convex column; 102. a connecting arm; 1a, press-fitting holes; 1b, connecting holes; 1c, a limiting surface;

201. a ball pin seat; 202. ball pins; 203. a bushing; 204. a cover plate; 205. sealing sleeve; 206. a first clamping member; 207. second clamping piece

201a, lumen; 201b, a shoulder; 201c, flare; 201d, crimping edges; 203a, spherical hinge cavity; 203b, an oil reservoir; 203c, a notch; 203d, reinforcing ribs; 204a, an oil reservoir.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, in the description of the present utility model, unless otherwise specifically defined, the mating components may be connected using conventional connection structures in the art. Moreover, the terms "mounted," "connected," and "connected" are to be construed broadly. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The present embodiment relates to a punch plate ball pin assembly, which is integrally constructed, as shown in fig. 1 to 12, and includes a punch-formed sheet metal connecting plate 1, and a ball pin assembly 2 having a ball pin seat 201 and a ball pin 202.

Wherein, the sheet metal connecting plate 1 is formed with a press-fitting hole 1a and a connecting hole 1b, and a ball pin seat 201 in the ball pin assembly 2 is press-fitted in the press-fitting hole 1a, one end of a ball pin 202 is ball-hinged in the ball pin seat 201, and at the same time, the connecting hole 1b and the other end of the ball pin 202 are used for connecting with an external member.

At this time, it should be noted that, as an exemplary application, the punch cricket-pin assembly of the present embodiment may be used on a control arm in a vehicle suspension, for example, and at this time, the external member, that is, the control arm and the vehicle body, generally, that is, the connection hole 1b may be connected to the control arm by a bolt 3 penetrating therein, so as to connect the entire ball-pin assembly to the control arm, and one end of the ball pin 202 protruding from the ball socket 201 is connected to the vehicle body, so as to realize a ball-hinge connection between the control arm and the vehicle body.

In this embodiment, it is also worth noting that in the prior art, the ball socket 1 and the portion thereof connected to a component such as a control arm are generally manufactured by hot forging, and the thickness of the connecting portion on the manufactured ball socket 1 is also generally 8mm or more. In addition, in the prior art, the thickness of the stamping sheet metal is generally within 3mm, and the hot forging method is adopted to prepare the ball pin boss 1 because the thickness of the stamping sheet metal is smaller.

However, in the preparation of the sheet metal connecting plate 1 of the embodiment, consistent cognition of people is broken, and the thickness of the sheet metal connecting plate 1 is larger than 3mm and can be 4.5mm, so that the structural strength of the sheet metal connecting plate is ensured, and the use requirement of the ball pin assembly is met. Meanwhile, the embodiment also adopts a punching machine with larger tonnage to meet the punching preparation requirement of the sheet metal connecting plate 1 with larger thickness, and further utilizes a press mounting process to realize the preparation of the ball pin assembly with punched sheet metal.

Based on the above overall description, in this embodiment, as a preferred embodiment, as shown in fig. 4 and 5, a protruding post 101 protruding to one side of the sheet metal connecting plate 1 is also formed on the sheet metal connecting plate 1, and a press-fitting hole 1a on the sheet metal connecting plate 1 is provided through the protruding post 101. At this time, it can be understood that the convex column 101 is formed on the sheet metal connecting plate 1, so that the contact area between the ball pin seat 201 and the sheet metal connecting plate 1 can be greatly increased, and the reliability of connection between the ball pin assembly 2 and the sheet metal connecting plate 1 can be ensured.

In addition, in the present embodiment, a plurality of connection arms 102 arranged around the boss 101 are provided on the sheet metal connection plate 1, and the connection holes 1b described above are provided on each connection arm 102. At this time, the connecting hole 1b is located on the connecting arm 102, which is favorable for the stamping forming of the connecting hole 1b, and is also convenient for adjusting the shape of the connecting arm 102 according to the connecting requirement, thereby being favorable for the connection between the sheet metal connecting plate 1 and the external components such as the control arm.

As a preferred embodiment, as shown in fig. 3, 4 and 9, the present embodiment is also formed with a shoulder 201b at one end of the ball socket 201, and the shoulder 201b is pressed against the limit surface 1c on the sheet metal connecting plate 1 when the ball socket 201 is press-fitted into the press-fitting hole 1 a. At this time, by providing the shoulder 201b on the ball pin seat 201 and pressing against the stopper surface 1c on the sheet metal connecting plate 1, the ball pin seat 201 can be stopped at the time of press-fitting, and thus the fitting accuracy of the ball pin seat 201 in the press-fitting hole 1a can be ensured.

In this embodiment, as a preferred embodiment, a bushing 203 and a cover plate 204 are further disposed in the inner cavity 201a of the ball socket 201, the ball head of the ball pin 202 is located in the ball pivot cavity 203a of the bushing 203, the cover plate 204 covers one end of the bushing 203, and the end of the ball socket 201 provided with the cover plate 204 is also formed with a crimp edge 201d.

At this time, still referring to fig. 3, in the radial direction of the ball socket 201, the above-described crimp edge 201d has an outer portion located outside the ball socket 201 and an inner portion located inside the ball socket 201. The outer part of the crimp edge 1d is crimped to the end of the boss 101, and the inner part of the crimp edge 1d is crimped to the cover 204 to seal the cover 204 in the ball socket 201.

Thus, by providing the bushing 203 as described above, contact wear between the ball pin 202 and the ball pin seat 201 can be reduced, contributing to the durability of the ball pin assembly. Meanwhile, the pressing edges 201d, which are respectively pressed on the cover plate 204 and the convex column 101 at the inner side and the outer side, are arranged on the ball pin seat 201, so that not only can the stability of the assembly of the cover plate 204 be ensured, but also the ball pin seat 201 can be reliably arranged in the press-fit hole 1b together with the stop shoulder 201b, and the ball pin seat 201 is prevented from falling out of the press-fit hole 1b.

In this embodiment, as a preferred embodiment, in addition to the provision of the bushing 203, as shown in fig. 10, the inner wall of the bushing 203 is also provided with a plurality of oil storage grooves 203b, the oil storage grooves 203b being circumferentially spaced apart along the bushing 203, and one end of each oil storage groove 203b remote from the cover plate 204 being provided radially through the bushing 203. At this time, the oil storage tank 203b is disposed on the inner wall of the bushing 203, which is favorable for storing lubricating grease, and one end of the oil storage tank 203b is disposed through the bushing 203 to form a notch 203c at one end of the bushing 203, which can reduce the stress of the end of the bushing 203 during the movement of the ball pin 202, so as to ensure the stability of the structure of the bushing 203.

With continued reference to fig. 7, as a preferred embodiment, the ball pin assembly 2 of the present embodiment further has a sealing sleeve 205, the sealing sleeve 205 being sleeved between the ball pin seat 201 and the ball pin 202, and the sealing sleeve 205 also having a large diameter end and a small diameter end. The large diameter end of the sealing sleeve 205 is fixed on the ball pin seat 201 by the first clamping piece 206, and the small diameter end of the sealing sleeve 205 is fixed on the ball pin 202 by the second clamping piece 207. The first clamping member 206 and the second clamping member 207 may be of an existing elastic clamping spring or similar clamping structure, and at the same time, it may be appreciated that by arranging the sealing sleeve 205 between the ball pin seat 201 and the ball pin 202, dust, rainwater and the like may be prevented from entering the ball pin seat 201, thereby being beneficial to improving the overall durability of the ball pin assembly.

In addition, in this embodiment, as shown in fig. 9, to facilitate the swing of the ball pin 202 relative to the ball pin seat 202, the inner wall of the end of the ball pin seat 202 from which the ball pin 202 extends is also provided with a flare 201c, so as to avoid the ball pin 202 and increase the swing amplitude thereof. As shown in fig. 10 and 11, in order to ensure the structural strength of the bushing 203, a plurality of reinforcing ribs 203d are also provided at the bottom end of the bushing 203, and the reinforcing ribs 203d are also arranged at intervals along the circumferential direction of the bushing 203, and by providing each reinforcing rib 203d, the axial impact resistance of the bushing 203 against the ball pin 202 can be improved, so as to also improve the durability of the ball pin assembly.

In addition, as shown in fig. 12, in the embodiment, an oil reservoir 204a that bulges to a side far from the bushing 203 may be provided in the middle of the cover 204, and the oil reservoir 204a may be provided to increase the oil storage amount in the space surrounded by the ball pin seat 201 and the cover 204, so that the lubrication effect between the ball pin 202 and the bushing 203 may be ensured.

In the stamped steel ball pin assembly of this embodiment, the sheet metal connecting plate 1 may be made of HR380F, and its hardness may reach 137HB, after the sheet metal connecting plate 1 is stamped, the ball pin seat 201 may be press-fitted into the press-fitting hole 1a, then the bushing 203, the ball pin 202, and the cover plate 204 are sequentially fitted from the bottom end of the ball pin seat 201, and then the crimp edge 201d is formed at the bottom end of the ball pin seat 201 by spin-riveting, so as to achieve reliable arrangement of the ball pin seat 201 in the press-fitting hole 1a, and the bushing 203, the ball pin 202, and the cover plate 204 in the ball pin seat 201. Finally, the sealing sleeve 205 is sleeved, and the large end and the small end of the sealing sleeve 205 are respectively fixed through the first clamping piece 206 and the second clamping piece 207.

The stamping plate ball pin assembly of this embodiment, through adopting stamping forming's panel beating connecting plate 1, and make ball pin assembly 2 press-fit in the pressure equipment hole 1a on panel beating connecting plate 1, in order to constitute the ball pin assembly, from this compare with current hot forging preparation mode, not only can utilize stamping forming's simple mode, efficient characteristics, do benefit to the preparation of ball pin seat 1 and the part of being connected with control arm etc. in the ball pin assembly, also can utilize stamping sheet metal spare thickness less characteristics simultaneously, and help reducing the weight and the preparation cost of ball pin assembly, and by contrast, the ball pin assembly of this embodiment compares with the ball pin assembly of the same structural style of current hot forging preparation, product weight can be reduced 10% -20%, the cost can then be reduced about 15%.

Example two

The present embodiment relates to a vehicle in which the punch cricket pin assembly of the first embodiment is provided. In this case, the punch cricket pin assembly described above may be used for a control arm in a chassis suspension as a control arm ball pin structure, and of course, other places in a vehicle where a ball hinge connection is required may be used as well as the punch cricket pin assembly in the first embodiment.

The vehicle of the embodiment can be beneficial to the preparation of the ball pin seat body and the connection part of the ball pin seat body and the control arm and the like in the ball pin assembly by arranging the punching plate ball pin assembly in the first embodiment, and simultaneously is beneficial to reducing the weight and the preparation cost of the ball pin assembly, so that the vehicle has good practicability.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a punching press board ball round pin assembly which characterized in that:

comprises a sheet metal connecting plate (1) which is formed by stamping, and a ball pin assembly (2) which is provided with a ball pin seat (201) and a ball pin (202);

the sheet metal connecting plate (1) is provided with a press-fit hole (1 a) and a connecting hole (1 b), the ball pin seat (201) in the ball pin assembly (2) is press-fitted in the press-fit hole (1 a), one end of the ball pin (202) is in the ball pin seat (201) in a ball hinged mode, and the connecting hole (1 b) is connected with the other end of the ball pin (202) through an external member.

2. The stamped plate ball pin assembly of claim 1, wherein:

the sheet metal connecting plate (1) is provided with a convex column (101) protruding to one side of the sheet metal connecting plate (1), and the press-fit hole (1 a) penetrates through the convex column (101).

3. The stamped cricket-pin assembly of claim 2, wherein:

the sheet metal connecting plate (1) is provided with a plurality of connecting arms (102) which are arranged around the convex columns (101), and each connecting arm (102) is provided with a connecting hole (1 b).

4. The stamped cricket-pin assembly of claim 2, wherein:

one end of the ball pin seat (201) is provided with a stop shoulder (201 b), and when the ball pin seat (201) is pressed into the press mounting hole (1 a), the stop shoulder (201 b) is pressed onto a limiting surface (1 c) on the sheet metal connecting plate (1).

5. The stamped plate ball pin assembly of claim 4, wherein:

a bushing (203) and a cover plate (204) are arranged in the ball pin seat (201), a ball head of the ball pin (202) is positioned in the bushing (203), the cover plate (204) covers one end of the bushing (203), and a crimping edge (201 d) is formed at one end of the ball pin seat (201) provided with the cover plate (204);

in the radial direction of the ball socket (201), the crimping edge (201 d) has an outer portion located outside the ball socket (201), and an inner portion located inside the ball socket (201), the outer portion being crimped to the end of the boss (101), the inner portion being crimped to the cover plate (204).

6. The stamped cricket-pin assembly of claim 5, wherein:

the inner wall of the bushing (203) is provided with oil storage grooves (203 b), the oil storage grooves (203 b) are arranged at intervals along the circumferential direction of the bushing (203), and one end, far away from the cover plate (204), of each oil storage groove (203 b) penetrates through the bushing (203) in the radial direction of the bushing (203).

7. The stamped plate ball pin assembly of any one of claims 1 to 6, wherein:

the ball pin assembly (2) is further provided with a sealing sleeve (205), the sealing sleeve (205) is sleeved between the ball pin seat (201) and the ball pin (202), and the sealing sleeve (205) is provided with a large-diameter end and a small-diameter end;

the large-diameter end is fixed on the ball pin seat (201) by a first clamping piece (206), and the small-diameter end is fixed on the ball pin (202) by a second clamping piece (207).

8. A vehicle, characterized in that:

the vehicle having the punch cricket pin assembly of any one of claims 1 to 7 disposed therein.